/Engine/Source/Runtime/Renderer/Public/SystemTextures.h
void InitializeFeatureLevelDependentTextures ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) & RHICmdList, const [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) InFeatureLevel )